Question: Who is the person in the significant event of the dissolution of the Soviet Union?
Paraphrase: Who is the individual within the noteworthy occasion of the disintegration of the Soviet Union?
SPARQL (Wikidata):  select distinct ?sbj where { ?sbj wdt:P793 wd:Q5167679 . ?sbj wdt:P31 wd:Q5 } 
Answer: Aleksey Zhivotov, Mikhail Mishustin, Hryhorii Demydov, Maria Ivanovna Putina, Waldemar Birkle, Vladlena Mishustina, Vladimir Mishustin, Luiza Mishustina